Skip to main content Skip to search Skip to main navigation

% Get lower prices and
secure personal conditions

Login now!

OEM spare partsfor your diesel and gas engines in marine and stationary use

Parts suitable for:

SET OF SCREWS for Engines and Power Systems

Screws are precision fasteners that create and hold the clamping force required to keep engines structurally stable and leak-free. In medium-speed and high-speed powerplants—whether propulsion or genset—Screws secure critical joints such as cylinder heads, main bearing caps, connecting rods, flywheels, exhaust manifolds, turbochargers, pumps, and covers. A well-matched SET OF SCREWS ensures every joint within the assembly achieves the target preload and remains secure under thermal cycles, vibration, and peak combustion forces. This makes Screws an indispensable component category for any marine engine, diesel engine, or gas engine platform.

Technical function of Screws – SET OF SCREWS for diesel engine and marine engine assemblies

The core task of Screws in engines is to generate reliable preload: the clamping force that holds mating surfaces together and maintains gasket compression. Properly tightened Screws convert applied torque or torque-plus-angle into predictable tension. That tension counters dynamic loads from crankshaft rotation, reciprocating masses, boost pressure, and thermal expansion. In practical terms, a correct SET OF SCREWS keeps combustion sealed, bearing housings aligned, and rotating equipment balanced.

Material selection, property class, and surface finish determine how a Screw behaves in service. High-tensile classes (e.g., 10.9/12.9) support heavily loaded joints like conrod big ends or main bearing caps, while heat- and corrosion-resistant alloys serve hot zones near exhausts and turbochargers on a marine engine. Surface treatments and lubricants control friction coefficients so the torque–tension relationship remains consistent; this is vital in torque-angle tightening where the final elongation places the Screw at an optimal point on its stress-strain curve. Thread form and tolerance (ISO metric, UNC/UNF) ensure proper engagement and load distribution across flanks, limiting fretting and loosening.

When specified as OEM parts, a SET OF SCREWS aligns dimensions, metallurgy, and coatings with the engine designer’s joint calculations. That alignment reduces the risk of under-preload (leading to leaks and movement) or over-preload (leading to yield, thread stripping, or fatigue). On a diesel engine, this precision is the difference between steady output and costly, unplanned downtime.

Key characteristics of Screws and SET OF SCREWS

  • · High tensile property classes (8.8 / 10.9 / 12.9) for strength-critical joints.
  • · Heat- and corrosion-resistant materials for hot and marine atmospheres.
  • · Coatings and lubricants to stabilize friction and prevent seizure.
  • · Correct thread forms (ISO, UNC/UNF) and tight tolerances.
  • · Controlled torque–tension behavior for repeatable preload.
  • · Batch traceability and compliance with ISO/DIN/ASTM specifications.
  • · Vibration resistance with locking features or patches where required.
  • · Application-specific kitting for cylinder heads, manifolds, and covers.

Why Screws Matter: Reliability and Service Life – SET OF SCREWS

Screws directly influence engine reliability. Loss of preload at a cylinder head allows blow-by, oil or coolant leaks, and thermal erosion of gasket faces. Micro-movement at flanges leads to fretting corrosion, ovalized holes, and misalignment of rotating components. In severe cases, loosening at a flywheel or coupling can escalate into shaft vibration, sensor faults, and safety incidents.

Fatigue is another concern. High-strength Screws in cyclic service experience alternating stress; if tightening scatters outside design targets or if surface finishes are incorrect, fatigue life shortens drastically. Elevated temperatures can cause stress relaxation; if the material and coating of the SET OF SCREWS are not matched to the joint, preload decays and the joint fails progressively. Following specified replacement intervals—especially for torque-to-yield applications—and using a correctly engineered SET OF SCREWS prevents these outcomes and sustains engine efficiency over thousands of hours.

OEM spare parts suitable for Screws – performance with SET OF SCREWS

Choosing OEM spare parts suitable for Screws ensures dimensional accuracy, controlled metallurgy, and verified surface treatments that replicate the engine maker’s joint design. That fidelity safeguards power output, fuel efficiency, and emissions stability because sealing and alignment remain within engineering limits. For buyers managing fleet budgets, using a matched SET OF SCREWS reduces secondary damage (warped flanges, cracked housings, burnt gaskets) and cuts repeat labor through consistent installation results.

With OEM parts, torque–tension scatter is minimized, thread engagement is correct, and you receive documentation that supports class inspections and preventive maintenance records—critical for shipowners and power operators. In short, an OEM-aligned SET OF SCREWS for a diesel engine, gas engine, or marine engine provides repeatable assembly quality that translates into uptime.

Benefits of OEM spare parts suitable for Screws and SET OF SCREWS

  • · Precisely matched materials and coatings for thermal and corrosive loads.
  • · Consistent torque-angle performance and predictable preload.
  • · Application-specific lengths, threads, and heads for each joint.
  • · Traceability and documentation for audits and class compliance.
  • · Reduced downtime through ready-to-install kits for known engine models.
  • · Lower lifecycle cost by preventing leaks, misalignment, and rework.

MOPA: fast, secure supply of OEM parts – SET OF SCREWS

MOPA is a reliable partner for OEM spare parts suitable for Screws. We supply a SET OF SCREWS configured for your engine type and serial number, covering cylinder heads, main bearings, conrods, manifolds, turbo and pump interfaces, and auxiliary equipment. Our team cross-references OEM numbers, provides batch traceability, and supports correct tightening strategies with technical data from established standards and engine maker recommendations.

Purchasers value MOPA for speed, quality, and security in the trade of OEM parts for diesel and gas engines. From urgent AOG-style dispatches to planned dockings, we deliver kitted solutions that reduce picking errors, streamline installation, and keep fleets on schedule. Robust packaging, clear labeling, and dependable logistics ensure your SET OF SCREWS arrives ready for the job.

Conclusion – SET OF SCREWS for diesel and marine engines

Screws are fundamental to engine integrity, sealing, and alignment. Selecting an application-specific SET OF SCREWS and installing it to specification preserves performance, efficiency, and safety. With OEM spare parts suitable for Screws and MOPA’s fast, secure supply, operators safeguard service life while controlling maintenance costs.

Filter
SET OF SCREWS - 05199701 suitable for MTU engines
SET OF SCREWS with the comparison number 05199701 suitable for MTU engines
% Secure special price. Register now!